6... h7h5 Before developing the knight, Sindarov decides to improve the structure on the kingside, avoiding being stuck with a fixed pawn on h7. He could also choose 6...h6. 7. d3e5  7... g8e7  8. b2b4 White's plan is to open the bishop's diagonal and fix the structure on the queenside with b4-b5. 8... e7f5 